[INFO] fetching crate mathdefs 0.1.0...
[INFO] checking mathdefs-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate mathdefs 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mathdefs 0.1.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mathdefs 0.1.0
[INFO] finished tweaking crates.io crate mathdefs 0.1.0
[INFO] tweaked toml for crates.io crate mathdefs 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e1a0f462f531fb9b3ec11a5c5c9957b03c9ce758db12f60fc0a4267ce08cfaa
[INFO] running `Command { std: "docker" "start" "-a" "0e1a0f462f531fb9b3ec11a5c5c9957b03c9ce758db12f60fc0a4267ce08cfaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e1a0f462f531fb9b3ec11a5c5c9957b03c9ce758db12f60fc0a4267ce08cfaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e1a0f462f531fb9b3ec11a5c5c9957b03c9ce758db12f60fc0a4267ce08cfaa", kill_on_drop: false }`
[INFO] [stdout] 0e1a0f462f531fb9b3ec11a5c5c9957b03c9ce758db12f60fc0a4267ce08cfaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6af5ba74fa166b6cd9e54d1d1908fb66c8c674f2b7768abed82d50b6280f7a7
[INFO] running `Command { std: "docker" "start" "-a" "e6af5ba74fa166b6cd9e54d1d1908fb66c8c674f2b7768abed82d50b6280f7a7", kill_on_drop: false }`
[INFO] [stderr]     Checking mathdefs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Evaluatable` is never used
[INFO] [stdout]  --> src/traits/evaluatable.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Evaluatable {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Number` is never constructed
[INFO] [stdout]  --> src/definitions.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Number<Value> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Addition` is never constructed
[INFO] [stdout]  --> src/definitions.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Addition<Augend, Addend> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Subtraction` is never constructed
[INFO] [stdout]  --> src/definitions.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Subtraction<Minuend, Subtrahend> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Multiplication` is never constructed
[INFO] [stdout]   --> src/definitions.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Multiplication<Multiplier, Multiplicand> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Division` is never constructed
[INFO] [stdout]   --> src/definitions.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Division<Dividend, Divisor> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sine` is never constructed
[INFO] [stdout]   --> src/definitions.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Sine<Angle> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cosine` is never constructed
[INFO] [stdout]   --> src/definitions.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Cosine<Angle> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tangent` is never constructed
[INFO] [stdout]   --> src/definitions.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Tangent<Angle> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cotangent` is never constructed
[INFO] [stdout]   --> src/definitions.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Cotangent<Angle> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Exponentiation` is never constructed
[INFO] [stdout]   --> src/definitions.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Exponentiation<Base, Exponent> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Logarithm` is never constructed
[INFO] [stdout]   --> src/definitions.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Logarithm<Base, Antilogarithm> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Subtraction` is never constructed
[INFO] [stdout]  --> src/definitions.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Subtraction<Minuend, Subtrahend> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Multiplication` is never constructed
[INFO] [stdout]   --> src/definitions.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Multiplication<Multiplier, Multiplicand> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Division` is never constructed
[INFO] [stdout]   --> src/definitions.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Division<Dividend, Divisor> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sine` is never constructed
[INFO] [stdout]   --> src/definitions.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Sine<Angle> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cosine` is never constructed
[INFO] [stdout]   --> src/definitions.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Cosine<Angle> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tangent` is never constructed
[INFO] [stdout]   --> src/definitions.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Tangent<Angle> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cotangent` is never constructed
[INFO] [stdout]   --> src/definitions.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Cotangent<Angle> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Exponentiation` is never constructed
[INFO] [stdout]   --> src/definitions.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Exponentiation<Base, Exponent> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Logarithm` is never constructed
[INFO] [stdout]   --> src/definitions.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Logarithm<Base, Antilogarithm> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "e6af5ba74fa166b6cd9e54d1d1908fb66c8c674f2b7768abed82d50b6280f7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6af5ba74fa166b6cd9e54d1d1908fb66c8c674f2b7768abed82d50b6280f7a7", kill_on_drop: false }`
[INFO] [stdout] e6af5ba74fa166b6cd9e54d1d1908fb66c8c674f2b7768abed82d50b6280f7a7